This 80BS39 sprocket features a 2-3/16" finished bore including a key-way and two setscrews
UCHA209-27 Hanger Bearing Dimensions
Sheave Size: 2C240SF
This 41BS54 sprocket features a 1-3/16" finished bore including a key-way and two setscrews
AK49 Pulley 1" Dimensions
BK90H Pulley single-groove 8.75" OD filter_50B76-SB This 80BS39 sprocket features aThis BK90H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 8. 75" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this BK90H pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35